Arven's Mabosstiff ex #235 from Destined Rivals is a illustration_rare card that currently sells for about $21.74 ungraded, with graded copies ranging from $15.11 at grade 7 to $57.00 at grade 10. A grade 10 copy sells for around $57.00, about 2.6× the $21.74 raw price, so high-grade copies are worth grading.